wasCSharpSQLite – Blame information for rev 1
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| Rev | Author | Line No. | Line |
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| 1 | office | 1 | # 2008 July 11 |
| 2 | # |
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| 3 | # The author disclaims copyright to this source code. In place of |
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| 4 | # a legal notice, here is a blessing: |
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| 5 | # |
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| 6 | # May you do good and not evil. |
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| 7 | # May you find forgiveness for yourself and forgive others. |
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| 8 | # May you share freely, never taking more than you give. |
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| 9 | # |
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| 10 | #*********************************************************************** |
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| 11 | # This file implements regression tests for SQLite library. |
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| 12 | # |
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| 13 | # This file experiments with recursion using the "test_eval()" SQL function |
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| 14 | # in order to make sure that SQLite is reentrant. |
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| 15 | # |
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| 16 | # $Id: eval.test,v 1.2 2008/10/13 10:37:50 danielk1977 Exp $ |
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| 17 | |||
| 18 | set testdir [file dirname $argv0] |
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| 19 | source $testdir/tester.tcl |
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| 20 | |||
| 21 | # Create a table to work with. |
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| 22 | # |
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| 23 | do_test eval-1.1 { |
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| 24 | execsql { |
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| 25 | CREATE TABLE t1(x INTEGER PRIMARY KEY); |
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| 26 | INSERT INTO t1 VALUES(1); |
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| 27 | INSERT INTO t1 VALUES(2); |
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| 28 | INSERT INTO t1 SELECT x+2 FROM t1; |
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| 29 | INSERT INTO t1 SELECT x+4 FROM t1; |
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| 30 | INSERT INTO t1 SELECT x+8 FROM t1; |
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| 31 | INSERT INTO t1 SELECT x+16 FROM t1; |
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| 32 | INSERT INTO t1 SELECT x+32 FROM t1; |
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| 33 | INSERT INTO t1 SELECT x+64 FROM t1; |
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| 34 | INSERT INTO t1 SELECT x+128 FROM t1; |
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| 35 | INSERT INTO t1 SELECT x+256 FROM t1; |
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| 36 | SELECT count(*), max(x) FROM t1; |
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| 37 | } |
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| 38 | } {512 512} |
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| 39 | do_test eval-1.2 { |
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| 40 | execsql { |
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| 41 | SELECT x, test_eval('SELECT max(x) FROM t1 WHERE x<' || x) FROM t1 LIMIT 5 |
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| 42 | } |
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| 43 | } {1 {} 2 1 3 2 4 3 5 4} |
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| 44 | |||
| 45 | # Delete a row out from under a read cursor in the middle of |
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| 46 | # collecting the arguments for a single row in a result set. |
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| 47 | # Verify that subsequent rows come out as NULL. |
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| 48 | # |
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| 49 | do_test eval-2.1 { |
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| 50 | execsql { |
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| 51 | CREATE TABLE t2(x,y); |
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| 52 | INSERT INTO t2 SELECT x, x+1 FROM t1 WHERE x<5; |
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| 53 | SELECT x, test_eval('DELETE FROM t2 WHERE x='||x), y FROM t2; |
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| 54 | } |
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| 55 | } {1 {} {} 2 {} {} 3 {} {} 4 {} {}} |
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| 56 | do_test eval-2.2 { |
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| 57 | execsql { |
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| 58 | SELECT * FROM t2 |
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| 59 | } |
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| 60 | } {} |
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| 61 | |||
| 62 | # Modify a row while it is being read. |
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| 63 | # |
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| 64 | do_test eval-3.1 { |
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| 65 | execsql { |
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| 66 | INSERT INTO t2 SELECT x, x+1 FROM t1 WHERE x<5; |
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| 67 | SELECT x, test_eval('UPDATE t2 SET y=y+100 WHERE x='||x), y FROM t2; |
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| 68 | } |
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| 69 | } {1 {} 102 2 {} 103 3 {} 104 4 {} 105} |
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| 70 | |||
| 71 | do_test eval-4.1 { |
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| 72 | execsql { SELECT test_eval('SELECT "abcdefghij"') } |
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| 73 | } {abcdefghij} |
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| 74 | |||
| 75 | finish_test |